Consul-k8s versions 0.42.0 and later are vulnerable to a cross-namespace authorization bypass in component ACL binding rules that may allow an attacker to obtain elevated Consul privileges. This vulnerability (CVE-2026-110720) is fixed in consul-k8s 2.1.0 and 1.8.18.
Fix
Public exploits 1
- Ghost-Bx1/ConsulK8s-CVE-2026-110720 PoC on GitHub
Each line links to the index that lists it, never to exploit code. Exploit-DB's "verified" and a Metasploit rank of good or better count as verified; a PoC-in-GitHub entry is a repository's claim.
Vendor advisories in the News 1
- HCSEC-2026-50 - Consul-k8s vulnerable to a cross-namespace authorization bypass in component ACL binding rules HashiCorp security bulletins · 2026-10-26
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 5
- StatusPublished → Awaiting AnalysisNVD modified 2026-10-27 16:03
- StatusReceived → PublishedNVD modified 2026-10-26 19:38
- StatusPublished → ReceivedNVD modified 2026-10-26 20:17
- StatusReceived → PublishedNVD modified 2026-10-26 18:38
- First seenCVSS 9.9NVD modified 2026-10-26 19:16
Affected (CPE criteria) 0
NVD has not attached CPE configurations yet.